black

#000000

#183F69

#183F69

Contrast Ratio

1.95:1

Delta E

38.69

Very Different

50:50 Mix

Color Values

Format #000000 #183F69
HEX #000000 #183F69
RGB 0, 0, 0 24, 63, 105
HSL 0.0, 0.0%, 0.0% 211.1, 62.8%, 25.3%
HSV 0.0, 0.0%, 0.0% 211.1, 77.1%, 41.2%
CMYK 0%, 0%, 0%, 100% 77.1%, 40.0%, 0.0%, 58.8%
OKLCH 0.0 0.0 0.0 0.3628 0.085 252.7

Contrast & Accessibility

1.95:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #183F69 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #183F69

Color Difference (Delta E)

38.69 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #183F69);
background: linear-gradient(135deg, #000000, #183F69);

Explore Each Color

Related Comparisons